Finding the Fourth Proportional to 265,771.08, 398,813.74 and 107,987.40
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Solution
The fourth proportional to 265,771.08, 398,813.74 and 107,987.40 is: 162,044.94
Step by Step Solution
- Step 1: Write the proportion equation
265,771.08 : 398,813.74 = 107,987.40 : x - Step 2: Convert to fraction form
265,771.08/398,813.74 = 107,987.40/x - Step 3: Cross multiply
265,771.08x = 398,813.74 × 107,987.40 - Step 4: Simplify right side
265,771.08x = 43,066,858,866.88 - Step 5: Solve for x
x = 43,066,858,866.88/265,771.08 - Step 6: Final answer
x = 162,044.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.